CVE-2018-10120 Information

Description

The SwCTBWrapper::Read function in sw/source/filter/ww8/ww8toolbar.cxx in LibreOffice before 5.4.6.1 and 6.x before 6.0.2.1 does not validate a customizations index which allows remote attackers to cause a denial of service (heap-based buffer overflow with write access) or possibly have unspecified other impact via a crafted document that contains a certain Microsoft Word record.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://access.redhat.com/errata/RHSA-2018:3054 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6173 https://gerrit.libreoffice.org//c/49486/ https://gerrit.libreoffice.org//c/49499/ https://gerrit.libreoffice.org//c/49500/ https://gerrit.libreoffice.org/gitweb?p=core.git;a=commit;h=017fcc2fcd00af17a97bd5463d89662404f57667 https://lists.debian.org/debian-lts-announce/2018/04/msg00021.html https://usn.ubuntu.com/3883-1/ https://www.debian.org/security/2018/dsa-4178 https://www.libreoffice.org/about-us/security/advisories/cve-2018-10120/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8